21 
MANUFACTURER NO. 6. 
Number of organisms found. 
Dry points. 
Glycerinated virus. 
None examined. 
21 
694 
1,877 
2, 368 
2,689 
3, 326 
4, 208 
4, 352 
8, 094 
The glycerinated virus was stated by the manufacturer to be good 
until June 4, 1902, and was examined April 30, 1902. 
Many yellow and white colonies grew on the plates from this vac- 
cine resembling pus cocci. The following table shows the result of 
our study of 12 of these organisms: 
